Lab 12 The Lymphatic System
j j j j BIO202L
(Lab 12) Straighter line Anatomy & Physiology II Lab
BIO 202L The Lymphatic System and Immunity Worksheet
2025 New Version
StudentjName:
AccessjCodej(locatedjonjthejlidjofjyourjlabjkit):
LabjReportjFormatjExpectations
Utilizejcollegejleveljgrammarjandjprofessionaljformattingjwhenjcompletingjthisjworksheet.jSubmissionsjwit
houtjproperjformatting,jalljrequiredjphotosjorjsufficientjresponsesjwilljbejrejected.jPre-jlabjQuestions
1.j Thejexperimentsjinjthisjlabjcoverjthejlymphaticjsystem.jProvidejajbriefjoverviewjofjthisjsystem.jInclud
ejajdiscussionjonjthejstructuresjinvolved,jitsjpurposejandjthejcellsjinvolved.j(Hint:jYourjresponsejsh
ouldjbej5-6jsentences.)
Thejlymphaticjsystemjisjanjintricatejnetworkjofjorgans,jtubes,jandjnodesjnecessaryjforjimmunologi
caljresponse,jfluidjhomeostasis,jandjnutritionjabsorption.jItsjmainjjobjisjtojremovejlymphjfromjtissu
esjandjtransferjitjtojthejbloodstreamjsojthatjtissuejedemajdoesn'tjhappen.
Immunejsurveillancejdependsjheavilyjonjthejlymphaticjsystem,jwhichjdoesjmorejthanjregulatejfluidj
dynamics.jEssentialjcomponentsjofjthisjsystemjarejlymphjnodes,jwhichjservejasjcentersjforjthejentra
pmentjandjremovaljofjinfectionsjandjcellularjresidue.jTojaddjtojitsjmanyjfunctions,jthejlymphaticjsyst
emjalsojfacilitatesjthejabsorptionjofjvitaminsjandjdietaryjlipidsjfromjthejsmalljintestine.jThisjcomplexj
cellularjcooperation,jwhichjincludesjajvarietyjofjcells,jincludingjBjlymphocytes,jTjlymphocytes,jmacr
ophages,jdendriticjcells,jandjlymphaticjendothelialjcells,jisjessentialjforjpreservingjhomeostasis.
, Lab 12 The Lymphatic System
j j j j BIO202L
EXPERIMENTj1:jEXAMININGjTHEjMICROSCOPICjANATOMYjOFjTHEjLYMPHATICjSYSTEM
IntroductionjQuestions
1. Injthisjexperiment,jyoujwilljreviewjslidesjcontainingjcellsjfromjlymphjnodesjandjfromjthejspleen.jDes
cribejthejspecificjfunctionsjofjthesejtissues.jArejtheyjsimilarjorjdifferent?jHow?jEssentialjpartsjofjthej
lymphaticjsystem,jlymphjnodes,jandjthejspleenjplayjajsignificantjrolejinjimmunologicaljdefensejandj
fluidjhomeostasis.jLymphjnodesjarejlymphaticjveinsjpositionedjstrategicallyjtojservejasjfilteringjcen
tersjforjlymphjfluid.jThesejnodesjarejessentialjforjtrappingjandjremovingjinfections,jforeignjobjects,j
andjcelljdebris,jwhichjhelpsjthejbodyjfightjoffjinfections.jConversely,jthejspleen,jlocatedjinjthejupper
jleftjabdomen,jactsjasjajfilterjforjblood.jAbundantjinjimmunejcells,jincludingjlymphocytes,jdendriticj
cells,jandjmacrophages,jthejspleenjcoordinatesjajteamjeffortjtojidentifyjandjeradicatejinfectionsjfloa
tingjthroughjthejbloodstream.jHematologicaljequilibriumjisjsupportedjbyjthejspleen'sjrolejasjajstora
gejforjredjbloodjcells,jwhichjitjreleasesjintojthejbloodstreamjwhenjneeded.jThejlymphaticjstructuresj
collectivelyjformjrobustjfiltrationjandjdefensejsystemsjvitaljforjajhealthyjbeing.
j j j j BIO202L
(Lab 12) Straighter line Anatomy & Physiology II Lab
BIO 202L The Lymphatic System and Immunity Worksheet
2025 New Version
StudentjName:
AccessjCodej(locatedjonjthejlidjofjyourjlabjkit):
LabjReportjFormatjExpectations
Utilizejcollegejleveljgrammarjandjprofessionaljformattingjwhenjcompletingjthisjworksheet.jSubmissionsjwit
houtjproperjformatting,jalljrequiredjphotosjorjsufficientjresponsesjwilljbejrejected.jPre-jlabjQuestions
1.j Thejexperimentsjinjthisjlabjcoverjthejlymphaticjsystem.jProvidejajbriefjoverviewjofjthisjsystem.jInclud
ejajdiscussionjonjthejstructuresjinvolved,jitsjpurposejandjthejcellsjinvolved.j(Hint:jYourjresponsejsh
ouldjbej5-6jsentences.)
Thejlymphaticjsystemjisjanjintricatejnetworkjofjorgans,jtubes,jandjnodesjnecessaryjforjimmunologi
caljresponse,jfluidjhomeostasis,jandjnutritionjabsorption.jItsjmainjjobjisjtojremovejlymphjfromjtissu
esjandjtransferjitjtojthejbloodstreamjsojthatjtissuejedemajdoesn'tjhappen.
Immunejsurveillancejdependsjheavilyjonjthejlymphaticjsystem,jwhichjdoesjmorejthanjregulatejfluidj
dynamics.jEssentialjcomponentsjofjthisjsystemjarejlymphjnodes,jwhichjservejasjcentersjforjthejentra
pmentjandjremovaljofjinfectionsjandjcellularjresidue.jTojaddjtojitsjmanyjfunctions,jthejlymphaticjsyst
emjalsojfacilitatesjthejabsorptionjofjvitaminsjandjdietaryjlipidsjfromjthejsmalljintestine.jThisjcomplexj
cellularjcooperation,jwhichjincludesjajvarietyjofjcells,jincludingjBjlymphocytes,jTjlymphocytes,jmacr
ophages,jdendriticjcells,jandjlymphaticjendothelialjcells,jisjessentialjforjpreservingjhomeostasis.
, Lab 12 The Lymphatic System
j j j j BIO202L
EXPERIMENTj1:jEXAMININGjTHEjMICROSCOPICjANATOMYjOFjTHEjLYMPHATICjSYSTEM
IntroductionjQuestions
1. Injthisjexperiment,jyoujwilljreviewjslidesjcontainingjcellsjfromjlymphjnodesjandjfromjthejspleen.jDes
cribejthejspecificjfunctionsjofjthesejtissues.jArejtheyjsimilarjorjdifferent?jHow?jEssentialjpartsjofjthej
lymphaticjsystem,jlymphjnodes,jandjthejspleenjplayjajsignificantjrolejinjimmunologicaljdefensejandj
fluidjhomeostasis.jLymphjnodesjarejlymphaticjveinsjpositionedjstrategicallyjtojservejasjfilteringjcen
tersjforjlymphjfluid.jThesejnodesjarejessentialjforjtrappingjandjremovingjinfections,jforeignjobjects,j
andjcelljdebris,jwhichjhelpsjthejbodyjfightjoffjinfections.jConversely,jthejspleen,jlocatedjinjthejupper
jleftjabdomen,jactsjasjajfilterjforjblood.jAbundantjinjimmunejcells,jincludingjlymphocytes,jdendriticj
cells,jandjmacrophages,jthejspleenjcoordinatesjajteamjeffortjtojidentifyjandjeradicatejinfectionsjfloa
tingjthroughjthejbloodstream.jHematologicaljequilibriumjisjsupportedjbyjthejspleen'sjrolejasjajstora
gejforjredjbloodjcells,jwhichjitjreleasesjintojthejbloodstreamjwhenjneeded.jThejlymphaticjstructuresj
collectivelyjformjrobustjfiltrationjandjdefensejsystemsjvitaljforjajhealthyjbeing.
